Divergence time estimates for major cephalopod groups: evidence from multiple genes.Published in:Cladistics, 2006, v. 22, n. 1, p. 89, doi. 10.1111/j.1096-0031.2006.00086.xBy:Strugnell, Jan;Jackson, Jennifer;Drummond, Alexei J.;Cooper, AlanPublication type:Article